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root/cebix/BasiliskII/src/BeOS/extfs_beos.cpp

Comparing BasiliskII/src/BeOS/extfs_beos.cpp (file contents):
Revision 1.2 by cebix, 1999-10-19T21:33:57Z vs.
Revision 1.9 by cebix, 1999-12-22T16:16:14Z

#	Line 72 | Line 72 | void extfs_exit(void)
72
73
74		/*
75	+	*  Add component to path name
76	+	*/
77	+
78	+	void add_path_component(char *path, const char *component)
79	+	{
80	+	int l = strlen(path);
81	+	if (l < MAX_PATH_LENGTH-1 && path[l-1] != '/') {
82	+	path[l] = '/';
83	+	path[l+1] = 0;
84	+	}
85	+	strncat(path, component, MAX_PATH_LENGTH-1);
86	+	}
87	+
88	+
89	+	/*
90		*  Get/set finder type/creator for file specified by full path
91		*/
92
#	Line 268 | Line 283 | int open_rfork(const char *path, int fla
283		// Open temporary file for resource fork
284		char rname[L_tmpnam];
285		tmpnam(rname);
286	<	int rfd = open(rname, O_RDWR | O_CREAT | O_TRUNC, 0664);
286	>	int rfd = open(rname, O_RDWR | O_CREAT | O_TRUNC, 0666);
287		if (rfd < 0) {
288		close(fd);
289		return -1;
#	Line 354 | Line 369 | void close_rfork(const char *path, int f
369
370		/*
371		*  Read "length" bytes from file to "buffer",
372	<	*  returns number of bytes read (or 0)
372	>	*  returns number of bytes read (or -1 on error)
373		*/
374
375		static inline ssize_t sread(int fd, void *buf, size_t count)
#	Line 364 | Line 379 | static inline ssize_t sread(int fd, void
379		return res;
380		}
381
382	<	size_t extfs_read(int fd, void *buffer, size_t length)
382	>	ssize_t extfs_read(int fd, void *buffer, size_t length)
383		{
369	–	errno = 0;
370	–
384		// Buffer in kernel space?
372	–	size_t actual = 0;
385		if ((uint32)buffer < 0x80000000) {
386
387		// Yes, transfer via buffer
388	+	ssize_t actual = 0;
389		while (length) {
390		size_t transfer_size = (length > TMP_BUF_SIZE) ? TMP_BUF_SIZE : length;
391		ssize_t res = sread(fd, tmp_buf, transfer_size);
392	<	if (res >= 0) {
393	<	memcpy(buffer, tmp_buf, res);
394	<	buffer = (void *)((uint8 *)buffer + res);
395	<	length -= res;
396	<	actual += res;
397	<	}
392	>	if (res < 0)
393	>	return res;
394	>	memcpy(buffer, tmp_buf, res);
395	>	buffer = (void *)((uint8 *)buffer + res);
396	>	length -= res;
397	>	actual += res;
398		if (res != transfer_size)
399		return actual;
400		}
401	+	return actual;
402
403		} else {
404
405		// No, transfer directly
406	<	actual = sread(fd, buffer, length);
393	<	if (actual < 0)
394	<	actual = 0;
406	>	return sread(fd, buffer, length);
407		}
396	–	return actual;
408		}
409
410
411		/*
412		*  Write "length" bytes from "buffer" to file,
413	<	*  returns number of bytes written (or 0)
413	>	*  returns number of bytes written (or -1 on error)
414		*/
415
416		static inline ssize_t swrite(int fd, void *buf, size_t count)
#	Line 409 | Line 420 | static inline ssize_t swrite(int fd, voi
420		return res;
421		}
422
423	<	size_t extfs_write(int fd, void *buffer, size_t length)
423	>	ssize_t extfs_write(int fd, void *buffer, size_t length)
424		{
414	–	errno = 0;
415	–
425		// Buffer in kernel space?
417	–	size_t actual = 0;
426		if ((uint32)buffer < 0x80000000) {
427
428		// Yes, transfer via buffer
429	+	ssize_t actual = 0;
430		while (length) {
431		size_t transfer_size = (length > TMP_BUF_SIZE) ? TMP_BUF_SIZE : length;
432		memcpy(tmp_buf, buffer, transfer_size);
433		ssize_t res = swrite(fd, tmp_buf, transfer_size);
434	<	if (res >= 0) {
435	<	buffer = (void *)((uint8 *)buffer + res);
436	<	length -= res;
437	<	actual += res;
438	<	}
434	>	if (res < 0)
435	>	return res;
436	>	buffer = (void *)((uint8 *)buffer + res);
437	>	length -= res;
438	>	actual += res;
439		if (res != transfer_size)
440		return actual;
441		}
442	+	return actual;
443
444		} else {
445
446		// No, transfer directly
447	<	actual = swrite(fd, buffer, length);
438	<	if (actual < 0)
439	<	actual = 0;
447	>	return swrite(fd, buffer, length);
448		}
449	<	return actual;
449	>	}
450	>
451	>
452	>	/*
453	>	*  Remove file/directory, returns false on error (and sets errno)
454	>	*/
455	>
456	>	bool extfs_remove(const char *path)
457	>	{
458	>	if (remove(path) < 0) {
459	>	if (errno == EISDIR)
460	>	return rmdir(path) == 0;
461	>	else
462	>	return false;
463	>	}
464	>	return true;
465	>	}
466	>
467	>
468	>	/*
469	>	*  Rename/move file/directory, returns false on error (and sets errno)
470	>	*/
471	>
472	>	bool extfs_rename(const char *old_path, const char *new_path)
473	>	{
474	>	return rename(old_path, new_path) == 0;
475		}

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